Protodiptera is an extinct suborder of mecopteran insects containing the two families Permotanyderidae and Permotipulidae with a total of four genera Choristotanyderus, Permila, Permotanyderus and Permotipula. References External links David Grimaldi, Michael S. Engel. Evolution of the insects. Permian insects Extinct insect orders Permian first appearances Mecoptera